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2019-06-27board: atmel: fix pda variable not being resetEugen Hristev
In case someone detects a PDA and u-boot sets the 'pda' variable, and the user does a saveenv, the pda is set in env, and if the screen is removed, u-boot will still have in the env the 'pda' variable, even if no screen is attached. In order to fix this, we have to reset the 'pda' variable, such that it's not just set if the screen is detected, but also unset if no screen is detected. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
2018-10-22board: at91sam9x5: add environment var for cpu typeEugen Hristev
When booting and CPU is detected from cpuid, we also need an environment variable that will be used in boot commands to load the proper devicetree. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
2018-09-28board: atmel: add support for pda detectionEugen Hristev
This adds the support for PDA detection as common code for Atmel boards. Using the one wire interface over GPIO , an EEPROM memory is read and compared to preprogrammed values for PDA screens TM4300, TM7000 and TM7000B. Once the PDA is detected, an environment variable is set accordingly. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2017-09-11board: atmel: Create board/$(VENDOR)/common folderWenyou Yang
Create board/$(VENDOR)/common folder to accommodate the common code shared by other atmel boards, now put the code to set ethernet mac address from eeprom, which uses the i2c eeprom driver. Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com> Reviewed-by: Simon Glass <sjg@chromium.org>